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|
#!./perl
# There are few filetest operators that are portable enough to test.
# See pod/perlport.pod for details.
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
require './test.pl';
}
use Config;
plan(tests => 28 + 27*14);
ok( -d 'op' );
ok( -f 'TEST' );
ok( !-f 'op' );
ok( !-d 'TEST' );
ok( -r 'TEST' );
# make sure TEST is r-x
eval { chmod 0555, 'TEST' or die "chmod 0555, 'TEST' failed: $!" };
chomp ($bad_chmod = $@);
$oldeuid = $>; # root can read and write anything
eval '$> = 1'; # so switch uid (may not be implemented)
print "# oldeuid = $oldeuid, euid = $>\n";
SKIP: {
if (!$Config{d_seteuid}) {
skip('no seteuid');
}
elsif ($Config{config_args} =~/Dmksymlinks/) {
skip('we cannot chmod symlinks');
}
elsif ($bad_chmod) {
skip( $bad_chmod );
}
else {
ok( !-w 'TEST' );
}
}
# Scripts are not -x everywhere so cannot test that.
eval '$> = $oldeuid'; # switch uid back (may not be implemented)
# this would fail for the euid 1
# (unless we have unpacked the source code as uid 1...)
ok( -r 'op' );
# this would fail for the euid 1
# (unless we have unpacked the source code as uid 1...)
SKIP: {
if ($Config{d_seteuid}) {
ok( -w 'op' );
} else {
skip('no seteuid');
}
}
ok( -x 'op' ); # Hohum. Are directories -x everywhere?
is( "@{[grep -r, qw(foo io noo op zoo)]}", "io op" );
# Test stackability of filetest operators
ok( defined( -f -d 'TEST' ) && ! -f -d _ );
ok( !defined( -e 'zoo' ) );
ok( !defined( -e -d 'zoo' ) );
ok( !defined( -f -e 'zoo' ) );
ok( -f -e 'TEST' );
ok( -e -f 'TEST' );
ok( defined(-d -e 'TEST') );
ok( defined(-e -d 'TEST') );
ok( ! -f -d 'op' );
ok( -x -d -x 'op' );
ok( (-s -f 'TEST' > 1), "-s returns real size" );
ok( -f -s 'TEST' == 1 );
# now with an empty file
my $tempfile = tempfile();
open my $fh, ">", $tempfile;
close $fh;
ok( -f $tempfile );
is( -s $tempfile, 0 );
is( -f -s $tempfile, 0 );
is( -s -f $tempfile, 0 );
unlink $tempfile;
# test that _ is a bareword after filetest operators
-f 'TEST';
ok( -f _ );
sub _ { "this is not a file name" }
ok( -f _ );
my $over;
{
package OverFtest;
use overload
-X => sub {
$over = [overload::StrVal($_[0]), $_[1]];
"-$_[1]";
};
}
{
package OverString;
# No fallback. -X should fall back to string overload even without
# it.
use overload q/""/ => sub { $over = 1; "TEST" };
}
{
package OverBoth;
use overload
q/""/ => sub { "TEST" },
-X => sub { "-$_[1]" };
}
{
package OverNeither;
# Need fallback. Previous versions of perl required 'fallback' to do
# -X operations on an object with no "" overload.
use overload
'+' => sub { 1 },
fallback => 1;
}
my $ft = bless [], "OverFtest";
my $ftstr = overload::StrVal($ft);
my $str = bless [], "OverString";
my $both = bless [], "OverBoth";
my $neither = bless [], "OverNeither";
my $nstr = overload::StrVal($neither);
open my $gv, "<", "TEST";
bless $gv, "OverString";
open my $io, "<", "TEST";
$io = *{$io}{IO};
bless $io, "OverString";
my $fcntl_not_available;
eval { require Fcntl } or $fcntl_not_available = 1;
for my $op (split //, "rwxoRWXOezsfdlpSbctugkTMBAC") {
$over = [];
ok( my $rv = eval "-$op \$ft", "overloaded -$op succeeds" )
or diag( $@ );
is( $over->[0], $ftstr, "correct object for overloaded -$op" );
is( $over->[1], $op, "correct op for overloaded -$op" );
is( $rv, "-$op", "correct return value for overloaded -$op");
my ($exp, $is) = (1, "is");
if (
!$fcntl_not_available and (
$op eq "u" and not eval { Fcntl::S_ISUID() } or
$op eq "g" and not eval { Fcntl::S_ISGID() } or
$op eq "k" and not eval { Fcntl::S_ISVTX() }
)
) {
($exp, $is) = (0, "not");
}
$over = 0;
$rv = eval "-$op \$str";
ok( !$@, "-$op succeeds with string overloading" )
or diag( $@ );
is( $rv, eval "-$op 'TEST'", "correct -$op on string overload" );
is( $over, $exp, "string overload $is called for -$op" );
($exp, $is) = $op eq "l" ? (1, "is") : (0, "not");
$over = 0;
eval "-$op \$gv";
is( $over, $exp, "string overload $is called for -$op on GLOB" );
# IO refs always get string overload called. This might be a bug.
$op eq "t" || $op eq "T" || $op eq "B"
and ($exp, $is) = (1, "is");
$over = 0;
eval "-$op \$io";
is( $over, $exp, "string overload $is called for -$op on IO");
$rv = eval "-$op \$both";
is( $rv, "-$op", "correct -$op on string/-X overload" );
$rv = eval "-$op \$neither";
ok( !$@, "-$op succeeds with random overloading" )
or diag( $@ );
is( $rv, eval "-$op \$nstr", "correct -$op with random overloading" );
is( eval "-r -$op \$ft", "-r", "stacked overloaded -$op" );
is( eval "-$op -r \$ft", "-$op", "overloaded stacked -$op" );
}
|
